The WHR, FPG, 2hPG, HbA1C, CRP, IL-6, visfatin, JAZF1, HOMA-IR, and EAT thickness were all higher in the Complication Group than the Diabetes Group and the Healthy Control Group (P < 0.05, respectively), and the FIns of both the Complication Group and the Diabetes Group were lower than that of Healthy Control Group (P<0.05). The gene discussed is NAMPT; the disease is diabetes mellitus.